690.9(C) Informational Note - Overcurrent protection
Looking for clarification from the experts. Q: Is the NEC 2017 code stating that the DC OCPD requirements are now the same for an unground and grounded inverter system?
Module max fuse series rating = 15a
16 strings(Paralleling 2 strings) - 8 string combiner input - Single input mppt ungrounded inverter.
My approach to this in the past would have been, + & - 15a fused Y connectors to a + and - 30a fuse for each string in the combiner.
Is it now code to install while eliminating fusing on either the + or - side of the DC circuits?